/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f4xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "MC_include.h"
#include "GUI.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M4 Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
    /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

    /* USER CODE END NonMaskableInt_IRQn 0 */
    /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
    while (1)
    {
    }

    /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
    /* USER CODE BEGIN HardFault_IRQn 0 */
	printf("hard fault!\r\n");
    /* USER CODE END HardFault_IRQn 0 */
    while (1)
    {
        /* USER CODE BEGIN W1_HardFault_IRQn 0 */
        /* USER CODE END W1_HardFault_IRQn 0 */
    }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
    /* USER CODE BEGIN MemoryManagement_IRQn 0 */

    /* USER CODE END MemoryManagement_IRQn 0 */
    while (1)
    {
        /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
        /* USER CODE END W1_MemoryManagement_IRQn 0 */
    }
}

/**
  * @brief This function handles Pre-fetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
    /* USER CODE BEGIN BusFault_IRQn 0 */

    /* USER CODE END BusFault_IRQn 0 */
    while (1)
    {
        /* USER CODE BEGIN W1_BusFault_IRQn 0 */
        /* USER CODE END W1_BusFault_IRQn 0 */
    }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
    /* USER CODE BEGIN UsageFault_IRQn 0 */

    /* USER CODE END UsageFault_IRQn 0 */
    while (1)
    {
        /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
        /* USER CODE END W1_UsageFault_IRQn 0 */
    }
}

/**
  * @brief This function handles System service call via SWI instruction.
  */
//void SVC_Handler(void)
//{
//    /* USER CODE BEGIN SVCall_IRQn 0 */

//    /* USER CODE END SVCall_IRQn 0 */
//    /* USER CODE BEGIN SVCall_IRQn 1 */

//    /* USER CODE END SVCall_IRQn 1 */
//}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
    /* USER CODE BEGIN DebugMonitor_IRQn 0 */

    /* USER CODE END DebugMonitor_IRQn 0 */
    /* USER CODE BEGIN DebugMonitor_IRQn 1 */

    /* USER CODE END DebugMonitor_IRQn 1 */
}

/**
  * @brief This function handles Pendable request for system service.
  */
//void PendSV_Handler(void)
//{
//    /* USER CODE BEGIN PendSV_IRQn 0 */

//    /* USER CODE END PendSV_IRQn 0 */
//    /* USER CODE BEGIN PendSV_IRQn 1 */

//    /* USER CODE END PendSV_IRQn 1 */
//}

/**
  * @brief This function handles System tick timer.
  */
extern volatile GUI_TIMER_TIME OS_TimeMS;
//void SysTick_Handler(void)
//{
//    /* USER CODE BEGIN SysTick_IRQn 0 */

//    /* USER CODE END SysTick_IRQn 0 */
//    HAL_IncTick();
//    /* USER CODE BEGIN SysTick_IRQn 1 */
//	TimingDelay_Decrement();
//	OS_TimeMS ++;
//    /* USER CODE END SysTick_IRQn 1 */
//}

/******************************************************************************/
/* STM32F4xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32f4xx.s).                    */
/******************************************************************************/

/* USER CODE BEGIN 1 */
extern UART_HandleTypeDef huart2;


uint8_t RS485_RxBuff[50]={0};
uint8_t ucnt=0;
volatile uint8_t Rxflag=0;
void USART2_IRQHandler(void)
{
    static uint8_t ctn = 0;
    static uint8_t* pBuff = RS485_RxBuff;

    if(__HAL_UART_GET_FLAG( &huart2, UART_FLAG_RXNE ) != RESET)
    {
        uint8_t ch = (uint16_t) READ_REG(huart2.Instance->DR);
        *(pBuff++) = ch;
        ctn++;
        __HAL_UART_CLEAR_FLAG(&huart2, UART_FLAG_RXNE);
    }

    if(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_IDLE) != RESET)
    {
        Rxflag = 1;
        ucnt = ctn;
        ctn = 0;
        pBuff = RS485_RxBuff;
        __HAL_UART_CLEAR_IDLEFLAG(&huart2);
    }
}


extern TIM_HandleTypeDef htim7;
void TIM7_IRQHandler(void)
{
    /* USER CODE BEGIN TIM7_IRQn 0 */
    if (__HAL_TIM_GET_FLAG(&htim7, TIM_FLAG_UPDATE) != RESET)
    {
        if (__HAL_TIM_GET_IT_SOURCE(&htim7, TIM_IT_UPDATE) != RESET)
        {
            __HAL_TIM_CLEAR_IT(&htim7, TIM_IT_UPDATE);
            HAL_IncTick();
        }
    }

    /* USER CODE END TIM7_IRQn 1 */
}

/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
